the big difference is by far our largest industry, if you want to call it that, is the department of defense. how many active duty to we have here in colorado springs? over 50,000, i believe. that really is the lifeblood of our town. >> this investigation that you did, the unit called lethal warriors, share with us what it is you found as you worked for the gazette, nominated for a pulitzer prize, your investigation. >> it started with just seeing a lot of soldiers getting arrested for murder. we did not know until we started digging it was not the entire 30,000 soldiers at fort carson that were responsible, but just one group of 500 guys. at that point, we said, my god, how could he have so much violence coming out of one small group? it must have to do with their collective story of their experience. so we started tracing that story by going to the prisons, talking to the guys in there, finding their friends and talking to them. what we found, essentially, is these guys had been in the worst places in iraq. they had been through things that most people, even people who are familiar with th